Lemma 3.1 [1]}
Let \( f(z) \)  be a non-constant meromorphic function of finite order, and \( c\in \mathbb {C}\setminus \lbrace 0\rbrace  \) , \( \delta <1. \)  Then
\(m\left(r,\frac{f(z+c)}{f(z)}\right)=o\left(\frac{T(r+|z|,f)}{r^{\delta }}\right), \) 
